NEW Silca Chain Wax Additives Style:EnduranceChip Weight of a pair: 450g

Weight of a pair: 450g

Rear Derailleur: Shimano RX810

Advanced GPS bike computer combines superior navigation

Cassette: SRAM XS-1270

780mm and 820mm widths

NEW Silca Chain Wax Additives Style:EnduranceChip Weight of a pair: 450gPermanently alter your wax blend to match the demands of your riding. Riding a 24 hour endurance race? Add two endurance chips. 40k TT? Add 2 SpeedChips. Mix and match to meet the demands of your biggest event. SPECS: Permanently modifies wax 1 SpeedChip 250g improves efficiency . 4% 2 SpeedChip 250g improves efficiency . 6% 1 EnduranceChip 250g increases longevity up to 550k 2 EnduranceChip 250g increases longevity up to 750k Compatible with